Fix changelog for #10397

- Remove maintenance entry from release notes as already in the callout at the top of the notes
- Add to changelog

CHANGELOG.txt

@@ -101,6 +101,8 @@ Changelog
  * Maintenance: Update uuid to v9 and Jest to v29, with `jest-environment-jsdom` and new snapshot format (LB (Ben) Johnston)
  * Maintenance: Update test cases producing undesirable console output due to missing mocks, uncaught errors, warnings (LB (Ben) Johnston)
  * Maintenance: Remove unused snippets _header_with_history.html template (Thibaud Colas)
+ * Maintenance: Migrate dialog instantiation to a new `w-dialog` Stimulus controller (Loveth Omokaro, LB (Ben) Johnston)
+ * Maintenance: Support dialog template cloning using a new `w-teleport` Stimulus controller (Loveth Omokaro, LB (Ben) Johnston)
  * Maintenance: Remove `"wagtailadmin/shared/field_as_li.html"` template include (Storm Heg)
 
 

docs/releases/5.1.md

@@ -158,8 +158,6 @@ This feature was developed by Aman Pandey as part of the Google Summer of Code p
  * Update uuid to v9 and Jest to v29, with `jest-environment-jsdom` and new snapshot format (LB (Ben) Johnston)
  * Update test cases producing undesirable console output due to missing mocks, uncaught errors, warnings (LB (Ben) Johnston)
  * Remove unused snippets _header_with_history.html template (Thibaud Colas)
- * Migrate dialog instantiation to a new `w-dialog` Stimulus controller, including in the Userbar (Loveth Omokaro, LB (Ben) Johnston)
- * Support dialog template cloning using a new `w-teleport` Stimulus controller (Loveth Omokaro, LB (Ben) Johnston)
  * Remove `"wagtailadmin/shared/field_as_li.html"` template include (Storm Heg)
 
 ## Upgrade considerations